class_docstr: Wrapper for handling Google services via the Service Account.
code: def validate_region(self, region):
      regionrequest = (
          self.cloud_service("compute")
          .regions()
          .get(region=region, project=self.project_id)
      )
      try:
          regionrequest.execute()
      except errors.HttpError as err:
          if err.resp.status == 404:
              click.echo(
                  'Error: Couldn\'t find region "{}" for '
                  'project "{}".'.format(region, self.project_id),
                  err=True,
              )
          elif err.resp.status == 403:
              click.echo("Error: Forbidden access to resources.")
              click.echo("Raw response:\n{}\n".format(err.content))
              click.echo(
                  "Make sure to enable the following APIs for the project:\n"
                  "  * Compute Engine\n"
                  "  * Cloud Machine Learning Engine\n"
                  "  * Google Cloud Storage\n"
                  "You can do it with the following command:\n"
                  "  gcloud services enable compute.googleapis.com "
                  "ml.googleapis.com storage-component.googleapis.com\n\n"
                  "For information on how to enable these APIs, see here: "
                  "https://support.google.com/cloud/answer/6158841",
                  err=True,
              )
          else:
              click.echo("Unknown error: {}".format(err.resp), err=True)
          sys.exit(1)
  
imports: import click
  import json
  import luminoth
  import os
  import shutil
  import subprocess
  import sys
  import tempfile
  import tensorflow
  import time
  from datetime import datetime
  from functools import wraps
  from luminoth.utils.config import get_config, dump_config
  from luminoth.utils.experiments import save_run
label_desc: Use image node_id 4 for calling the ServiceAccount obj's underlying member method code with example usage: obj.validate_region(region) without return types